/// <summary>
/// this method adds the text box entry to the list of event types...
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAdd_New_EventType_Name_Click(object sender, RoutedEventArgs e)
{
//1. get new item type name from the relevant textbox...
string annotation_type_name = txtNew_EventType_Name.Text;
if (lst_Current_Event_Types.SelectedItem != null)
{
Annotation_Rep_Tree_Data_Model tree_node = (Annotation_Rep_Tree_Data_Model)lst_Current_Event_Types.SelectedItem;
string tree_node_db_entry = Annotation_Rep_Tree_Data.convert_tree_node_to_delimited_string(tree_node);
if (!tree_node_db_entry.Equals(""))
{
annotation_type_name = tree_node_db_entry + ";" + annotation_type_name;
}
}
if (!annotation_type_name.Equals("")) //let's just make sure the user didn't click the button by mistake...
{
//2. then add it to the database...
Annotation_Rep.AddAnnotationType(annotation_type_name);
//3. finally update the display list to reflect this new change...
update_list_on_display_with_latest_database_snapshot();
//and also reset the relevant textbox back to appear blank...
txtNew_EventType_Name.Text = "";
//let's log this interaction
Record_User_Interactions.log_interaction_to_database("EditListofEventTypes_New_Typename", annotation_type_name);
} //close error checking... if (!annotation_type_name.Equals(""))
} //close method btnAdd_New_EventType_Name_Click()...
IEnumerable<Annotation_Rep_Tree_Data_Model> FindMatches(string searchText, Annotation_Rep_Tree_Data_Model annotation)
{
if (annotation.NameContainsText(searchText))
yield return annotation;
foreach (Annotation_Rep_Tree_Data_Model child in annotation.Children)
foreach (Annotation_Rep_Tree_Data_Model match in this.FindMatches(searchText, child))
yield return match;
}
} //close constructor method Annotation_Rep_Tree_Data_Model...
private Annotation_Rep_Tree_Data_Model(Annotation_Rep_Tree_Data annotation, Annotation_Rep_Tree_Data_Model parent)
{
_annotation = annotation;
_parent = parent;
_children = new ReadOnlyCollection <Annotation_Rep_Tree_Data_Model>(
(from child in _annotation.Children
select new Annotation_Rep_Tree_Data_Model(child, this))
.ToList <Annotation_Rep_Tree_Data_Model>());
}
public AnnotationTreeViewModel(Annotation_Rep_Tree_Data rootAnnotation)
{
_rootAnnotation = new Annotation_Rep_Tree_Data_Model(rootAnnotation);
_firstGeneration = new ReadOnlyCollection <Annotation_Rep_Tree_Data_Model>(
new Annotation_Rep_Tree_Data_Model[]
{
_rootAnnotation
});
_searchCommand = new SearchAnnotationTreeCommand(this);
}
public AnnotationTreeViewModel(Annotation_Rep_Tree_Data rootAnnotation)
{
_rootAnnotation = new Annotation_Rep_Tree_Data_Model(rootAnnotation);
_firstGeneration = new ReadOnlyCollection<Annotation_Rep_Tree_Data_Model>(
new Annotation_Rep_Tree_Data_Model[]
{
_rootAnnotation
});
_searchCommand = new SearchAnnotationTreeCommand(this);
}
IEnumerable <Annotation_Rep_Tree_Data_Model> FindMatches(string searchText, Annotation_Rep_Tree_Data_Model annotation)
{
if (annotation.NameContainsText(searchText))
{
yield return(annotation);
}
foreach (Annotation_Rep_Tree_Data_Model child in annotation.Children)
{
foreach (Annotation_Rep_Tree_Data_Model match in this.FindMatches(searchText, child))
{
yield return(match);
}
}
}
} //close method btnAdd_New_EventType_Name_Click()...
/// <summary>
/// this method removes an item from the list of event types...
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnRemove_EventType_Name_Click(object sender, RoutedEventArgs e)
{
if (lst_Current_Event_Types.SelectedItem != null)
{
//1. get item selected in the list
Annotation_Rep_Tree_Data_Model annotation_type_delete = (Annotation_Rep_Tree_Data_Model)lst_Current_Event_Types.SelectedItem;
//2. convert it to the database storage type...
string annotation_type_database_text_entry = Annotation_Rep_Tree_Data.convert_tree_node_to_delimited_string(annotation_type_delete);
//3. then delete it from the database...
Annotation_Rep.RmAnnotationType(annotation_type_database_text_entry);
//4. finally update the display list to reflect this new change...
update_list_on_display_with_latest_database_snapshot();
//let's log this interaction
Record_User_Interactions.log_interaction_to_database("EditListofEventTypes_Remove_Typename", annotation_type_database_text_entry);
} //close if (lst_Current_Event_Types.SelectedItem != null)...
} //close method btnRemove_EventType_Name_Click()...
} //close add_element_to_appropriate_child_node_which_is_returned()...
public static string convert_tree_node_to_delimited_string(Annotation_Rep_Tree_Data_Model individual_node)
{
if (!individual_node.Name.Equals(ROOT_NAME))
{
string final_output = individual_node.Name;
Annotation_Rep_Tree_Data_Model parent = individual_node.Parent;
if (parent != null)
{
if (!parent.Name.Equals(ROOT_NAME))
{
final_output = convert_tree_node_to_delimited_string(parent) + ";" + final_output;
}
}
return(final_output);
}
else
{
return("");
}
} //close method convert_tree_node_to_delimited_string()...
private Annotation_Rep_Tree_Data_Model(Annotation_Rep_Tree_Data annotation, Annotation_Rep_Tree_Data_Model parent)
{
_annotation = annotation;
_parent = parent;
_children = new ReadOnlyCollection<Annotation_Rep_Tree_Data_Model>(
(from child in _annotation.Children
select new Annotation_Rep_Tree_Data_Model(child, this))
.ToList<Annotation_Rep_Tree_Data_Model>());
}
public static string convert_tree_node_to_delimited_string(Annotation_Rep_Tree_Data_Model individual_node)
{
if (!individual_node.Name.Equals(ROOT_NAME))
{
string final_output = individual_node.Name;
Annotation_Rep_Tree_Data_Model parent = individual_node.Parent;
if (parent != null)
{
if (!parent.Name.Equals(ROOT_NAME))
final_output = convert_tree_node_to_delimited_string(parent) + ";" + final_output;
}
return final_output;
}
else return "";
}